This is a great magnifier for industrial purpose、 circuit board and printing industry、 medical science、?gardening、 coins and stamp、 education、 geography、 house living and offices. The magnifier is with 2-LED illumination for seeing clearly in the dark. The magnifier is compact and portable design for convenient use.<br /><br />- Great magnifier for industrial purpose、 circuit board and printing industry、<br />medical science、 gardening、 coins and stamp、 education、 geography、 house living and<br />offices<br />- With two LED illumination (3*LR927 Battery included)<br />- Comes with English user manual<br />                                                                                                                                Dimensions: 1.85 in x 0.98 in x 0.98 in<br />Weight: 3.63 oz